usb: dwc3: use correct hwparam register for power mgm check

We mask the correct bits within the wrong register. The power
optimization mode is stored hwparam1 register and not in hwparam0.

Reported-by: Partha Basak <p-basak2@ti.com>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>

diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index 6910a2d14d93c072897adea292bd8ae696fd2926..455bb1e748d7db01899e6f516304fc7b7c1b30d6 100644 (file)
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -353,7 +353,7 @@ static int __devinit dwc3_core_init(struct dwc3 *dwc)
        reg &= ~DWC3_GCTL_SCALEDOWN(3);
        reg &= ~DWC3_GCTL_DISSCRAMBLE;
 
-       switch (DWC3_GHWPARAMS1_EN_PWROPT(dwc->hwparams.hwparams0)) {
+       switch (DWC3_GHWPARAMS1_EN_PWROPT(dwc->hwparams.hwparams1)) {
        case DWC3_GHWPARAMS1_EN_PWROPT_CLK:
                reg &= ~DWC3_GCTL_DSBLCLKGTNG;
                break;